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How fast is 696.30 kilometers per hour?

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It's about three-fifths as fast as The Speed of Sound.
In other words, 696.30 kilometers per hour is 0.5640 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 1.770 times that amount.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 343 m/s. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 5,390 kilometers per hour to 5,620 kilometers per hour in water, depending on its salinity.
It's about one-and-four-fifths times as fast as a Peregrine Falcon.
In other words, 696.30 kilometers per hour is 1.790 times the speed of a Peregrine Falcon, and the speed of a Peregrine Falcon is 0.5590 times that amount.
(a.k.a. Peregrine, a.k.a. Duck Hawk, Falco peregrinus)
The Peregrine Falcon can reach speeds of up to 389 kph when diving. Falcons are sometimes sent to scare smaller birds away from airports to improve air traffic safety and were used in World War II to intercept carrier pigeons used by enemy forces.
It's about half as fast as a Bullet (Handgun).
In other words, 696.30 kilometers per hour is 0.5040 times the speed of a Bullet (Handgun), and the speed of a Bullet (Handgun) is 1.980 times that amount.
(for .40 Smith & Wesson 135 grain Sierra JHP, VV 3N37 powder, Fed. 100 primer, Remington case) (muzzle velocity)
A 0.40 caliber Smith & Wesson bullet has a muzzle a velocity of 1,380 kph. This type of ammunition has been the standard issue round of the United States Federal Bureau of Investigation (FBI) since 1990.
It's about two times as fast as The CRH (train).
In other words, the speed of The CRH (train) is 0.50 times 696.30 kilometers per hour.
(a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")
The CRH-3 train which runs on China's Beijing-Tianjin Intercity Railway are capable of speeds up to 350 kph. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.
It's about two times as fast as a Porsche 911.
In other words, 696.30 kilometers per hour is 2.120 times the speed of a Porsche 911, and the speed of a Porsche 911 is 0.4720 times that amount.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 329 kph. It takes just 7.4 seconds for the GT2 to accelerate to 161 kilometers per hour.
It's about two times as fast as an Arrow (archery).
In other words, 696.30 kilometers per hour is 2.1570 times the speed of an Arrow (archery), and the speed of an Arrow (archery) is 0.46360 times that amount.
(250 g arrow fired from 60#/28" bow)
A 250 gram arrow will reach speeds of approximately 322.8 kph when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago.
It's about two times as fast as a Lamborghini Gallardo.
In other words, 696.30 kilometers per hour is 2.20 times the speed of a Lamborghini Gallardo, and the speed of a Lamborghini Gallardo is 0.450 times that amount.
(for Gallardo LP 550-2, a.k.a. Valentino Balboni, 2009 model)
The Lamborghini Gallardo LP550-2 model Gallardo has a top speed of 320 kph. The Gallardo can reach speeds of 100 kph in just 3.9 seconds.